10 easy knee-pain treatments that you need to try

If your knees ache from time to time, you’re not alone: Knee pain leads to over a million U.S. emergency room visits each year.

There’s a long list of possible causes for knee pain, says Dennis Chang, MD, an orthopedic surgeon from Rose Medical Center in Denver, Colorado. These include:

• Injuries
• Arthritis
• Bursitis, or inflammation of the fluid-filled sacs around your knee
• Overuse or under use—both running and sitting for too long may cause front-of-the-knee pain